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  • Snap Hook Zinc Plated
  • Snap Hook Zinc Plated

Snap Hook Zinc Plated

No.704001

The H-Lift Snap Hook Zinc Plated is a versatile, spring-loaded steel hook designed for quick and easy connection to ropes, chains, and fittings in light-duty, non-lifting applications. Its zinc-plated finish provides basic corrosion resistance, making it well suited to shade sail rigging, marine hardware, and general-purpose fastening where a fast, reusable connection is required.

  • Manufactured from low carbon steel with a zinc-plated surface for strength and light corrosion protection.
  • Spring-loaded gate enables quick, one-handed opening and automatic closing for temporary connections.
  • Keyhole/carabiner-style body fits easily onto chain links, eye bolts, and other standard fittings.
  • Ideal for shade sails, marine and camping gear, pet leads, and general hardware use within rated WLL.
  • Not certified for climbing, personal fall protection, or critical overhead lifting applications.
  • Technical Data

  • Guide to Snap Hooks

The Zinc Plated Snap Hook is a commercial-grade carbine hook designed for everyday utility. Offering an economical alternative to stainless steel, it features a durable electro-galvanized finish for basic corrosion protection, making it ideal for non-critical fastening tasks.

Snap Hook Zinc Plated
⚠️ SAFETY WARNING: NOT FOR OVERHEAD LIFTING.
These commercial hooks are for general utility only (e.g., hanging signs, keychains). They are NOT rated for lifting suspended loads or safety-critical applications.
🏢 Commercial Utility

Designed for general-purpose use where a reliable, quick connection is needed without the expense of high-tensile or stainless steel hardware.

🛡️ Zinc Plated Finish

Features an Electro-Galvanized finish that provides moderate resistance to rust and corrosion, extending the hook's life in indoor and dry outdoor environments.

⚡ Spring-Loaded Gate

Equipped with a simple, effective spring mechanism that snaps shut automatically, allowing for rapid attachment to ropes, chains, and loops.

🔗 Versatile & Economical

Ideal for keychains, pet leashes, hanging plants, shade sails, and barrier ropes. Available in sizes from 3mm to 14mm.

ℹ️ Size Guide: "Size" typically refers to Wire Diameter x Overall Length (e.g., 5 x 50mm).

Technical Specifications

← Swipe table left and right to view all data →
Item No. Size (Wire Dia x Length)
(mm)
WLL
(lbs)
Product Code
SHZ030 3 x 30 45 704001030
SHZ040 4 x 40 80 704001040
SHZ050 5 x 50 100 704001050
SHZ060 6 x 60 140 704001060
SHZ070 7 x 70 200 704001070
SHZ080 8 x 80 250 704001080
SHZ090 9 x 90 280 704001090
SHZ100 10 x 100 400 704001100
SHZ110 11 x 120 500 704001110
SHZ120 12 x 140 600 704001120
SHZ130 13 x 160 700 704001130
SHZ140 14 x 180 900 704001140
Q: What is a "commercial" snap hook? A: A commercial snap hook is a general-purpose connector made from mild steel. It is designed for utility use (like hanging signs or connecting chains) and is not rated for overhead lifting or critical safety applications.
Q: Will zinc plated hooks rust? A: Zinc plating provides a protective barrier that slows down rust significantly compared to bare steel. However, if exposed to saltwater or constant moisture, they will eventually rust. For those conditions, we recommend Stainless Steel.

A Complete Guide to Snap Hooks

Types, Applications, Usage & Safety Guidelines

What is a Snap Hook?

A Snap Hook (also known as a spring hook, carabiner hook, or clip hook) is a metal coupling link with a spring-loaded gate. The gate allows the hook to quickly and reversibly connect components, making it one of the most versatile pieces of hardware in rigging, maritime, and general utility applications.

They are designed to connect ropes, chains, straps, or cables to other components like eye bolts, D-rings, or loops, allowing for rapid attachment and detachment without the need for tools.

Main Types of Snap Hooks

Snap hooks come in various shapes and locking mechanisms depending on their intended use. The most common types include:

DIN 5299C (Carbine Hook)

Design: The classic pear-shaped or oval fire brigade snap hook. It typically has a simple spring-loaded gate.

Use: General utility, shade sails, attaching cables, light rigging, and pet leashes.

  • Most popular general-purpose hook.
  • Available with or without a screw nut (for added security).

Swivel Snap Hook

Design: Features a rotating eye at the base that allows the hook to spin 360 degrees.

Use: Preventing tangles in ropes, leashes, flagpoles, and keychains.

  • Prevents rope twisting.

Egg Shaped Snap Hook

Design: A more rounded, robust profile often used in marine environments.

Use: Marine, boating, and industrial applications where a smoother profile is required to prevent snagging.

Bolt Snap / Trigger Snap

Design: Uses a spring-loaded plunger (bolt) operated by a thumb trigger rather than a hinged gate.

Use: Scuba diving, pet leashes, and horse reins. Known for being very secure and less likely to open accidentally.

Common Applications

Snap hooks are ubiquitous across many industries:

  • Marine & Boating: Attaching fenders, securing deck cargo, and rigging sails.
  • Outdoor & Camping: Securing tents, backpacks, hammocks, and shade sails.
  • Industrial & Construction: Tool lanyards, barrier chains, and light-duty cable management.
  • Daily Utility: Keychains, pet leashes, gym equipment attachments, and flagpoles.
  • Safety (Rated Only): Fall protection lanyards and rescue operations (Must use certified, rated carabiners).

How to Use a Snap Hook

Operation Mechanism

Most snap hooks operate on a simple push-to-open principle. The spring mechanism ensures the gate snaps back into the closed position automatically as soon as it is released.

Proper Attachment Steps:

  1. Inspect: Check that the spring action is smooth and the gate closes fully. Ensure there is no rust seizing the hinge.
  2. Open: Push the gate inward (or pull the trigger) to create an opening.
  3. Connect: Slide the hook over the attachment point (e.g., D-ring, rope loop).
  4. Release: Let go of the gate. Ensure it snaps back completely shut.
  5. Secure (If applicable): If using a snap hook with a screw nut (locking gate), screw the nut over the gate to prevent accidental opening.

Safety Precautions & Materials

⚠ WARNING: Non-PPE vs. PPE

Standard DIN 5299C snap hooks are generally NOT certified for overhead lifting or personal fall protection (climbing/safety harnesses). For life-safety applications, you must use rated, certified carabiners (e.g., EN 362 or ANSI Z359 standards).

Material Selection

  • Stainless Steel (304/316): The best choice for outdoor and marine environments. Offers high corrosion resistance and strength.
  • Zinc Plated Steel: Good strength and moderate rust protection. Suitable for general indoor/dry outdoor use.
  • Brass / Bronze: Used for aesthetic purposes or spark-resistant applications. Common in diving (bolt snaps) to prevent corrosion seizure.
  • Aluminum: Lightweight, often used in climbing gear (must be rated) or lightweight camping gear.

Safety Checklist

  • Check the Gate: The gate must align perfectly with the nose of the hook. If bent, discard immediately.
  • No Side Loading: Snap hooks are designed to be loaded along their major axis (spine). Side loading or cross-loading weakens them significantly.
  • Working Load Limit (WLL): Always check the manufacturer's WLL. Do not exceed the rated capacity.
  • Corrosion: In marine environments, wash stainless steel hooks with fresh water occasionally to remove salt deposits and maintain spring function.

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